Domains with DNS TXT v=spf1 mx include:mailplug.com ip4:106.10.119.2 ip4:15.164.133.214 ip4:54.180.175.29 ip:43.200.201.250 ip:52.78.192.223 ip:52.79.63.182 include:mail.stibee.com include:mailgun.org -all
There is 1 domain that have DNS TXT set to v=spf1 mx include:mailplug.com ip4:106.10.119.2 ip4:15.164.133.214 ip4:54.180.175.29 ip:43.200.201.250 ip:52.78.192.223 ip:52.79.63.182 include:mail.stibee.com include:mailgun.org -all.